GM47/GM48 INTEGRATOR’S MANUAL
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LZT 123 7263 R1C
Figure 1.4 Audio signals, connection and routing
Figure 1.5 Comms signals, connection and routing
J12
GM47
EAR
MIC
Handset
Buzzer
PCM
3.5mm socket
3.5mm socket
RJ11 connector
8 pin Mini-DIN
Selectable
Jumpers
ATMS
AFMS
MICN, MICP, BEARN, BEARP
Buzzer
PCM
(Audio out)
(Audio in)
J12
GM47
UART1 (EDB)
UART2 (ACB)
UART3
Selectable
jumpers
TD, RD, DTR, DCD,
RTS, CTS, RI
TD2, RD2 & SERVICE
TD3 & RD3
Level shifters